GB407690A - Improvements in the manufacture of yarn - Google Patents

Improvements in the manufacture of yarn

Info

Publication number
GB407690A
GB407690A GB17473/32A GB1747332A GB407690A GB 407690 A GB407690 A GB 407690A GB 17473/32 A GB17473/32 A GB 17473/32A GB 1747332 A GB1747332 A GB 1747332A GB 407690 A GB407690 A GB 407690A
Authority
GB
United Kingdom
Prior art keywords
rollers
sliver
fibres
roller
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB17473/32A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MALCOLM BOWDITCH STONE
WILLIAM PHILIP WILLIAMSON
Original Assignee
MALCOLM BOWDITCH STONE
WILLIAM PHILIP WILLIAMSON
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MALCOLM BOWDITCH STONE, WILLIAM PHILIP WILLIAMSON filed Critical MALCOLM BOWDITCH STONE
Publication of GB407690A publication Critical patent/GB407690A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G99/00Subject matter not provided for in other groups of this subclass
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/06Jute

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

407,690. Spinning yarn directly from slivers of bast and long-leaf fibres. STONE, M. B., Canton Avenue, Milton, and WILLIAMSON, W. P., Ludlow, both in Massachusetts, U.S.A. June 20, 1932, No. 17473. Convention date, June 20, 1931. [Classes 120 (ii) and 120 (iii).] Yarn is made from slivers of bast fibres, such as flax, hemp, jute, and ramie, and of long leaf fibres, such as sisal and manilla, without converting the sliver into roving, by drawing the sliver in a spinning-frame without the use of gills and subjecting it to two or more slip-draft devices between the feed rollers and the drawing rollers so that it is supported at intervals of less length than the average staple, at least two devices being arranged to operate in succession on the sliver. One of the slip-draft devices is arranged near the nip of the delivery rollers so as positively to feed thereto fibres which are not in the grip of either the feed or delivery rollers. In the case of slivers containing extremely short fibres the natural cohesion of the fibres is increased without subjecting the sliver to twist as in a roving frame, for example by crimping the sliver. One slip-draft device comprises a pair of rollers of which one is driven and the other positively driven therefrom and so arranged as to be capable of movement relative thereto, and one of the devices may be constructed so as to effect a drag on the sliver. The apparatus shown is particularly suitable for jute, crimping being effected as the slivers are delivered from a gill box 4, Fig. 1, by means of a weight 8 which fits a guide channel and is periodically raised by the accumulating sliver delivered by rollers 9 ; alternatively fluted delivery rollers in pressure contact may effect the crimping. The crimped sliver 1, Fig. 4, is led from cans 10 to the drawing-rollers of a spinning-frame, the crimping being removed or equalized by an adjustably weighted or spring- controlled lever 14<a> and a conductor 14, or by a pair of rollers rotating at a slightly lower speed than that of the retaining rollers 15, or by a plain bar imposing a drag on the sliver. The slip-draft devices comprise fluted rollers 19, 19<a>, the roller 19 being positively driven and the roller 19<a> driven therefrom, in conjunction with a guide plate or trough 20 and a co-operating weight 20<a>. The roller 19<a> is mounted in a lever 21 so as to be capable of moving independently to and from the roller 19 but at all times remaining in gear. The distances between the nips of the devices 19, 19<a> and 20, 20<a>, and the rollers 19, 19<a>, and the drawing- rollers 16 are less than the average length of the fibres, and the speed of the roller 19 is greater than that of the feed rollers 15. The lever 21 may be held up by a hook to facilitate threading after breakage and when starting.
GB17473/32A 1931-06-20 1932-06-20 Improvements in the manufacture of yarn Expired GB407690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US407690XA 1931-06-20 1931-06-20

Publications (1)

Publication Number Publication Date
GB407690A true GB407690A (en) 1934-03-20

Family

ID=21912829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17473/32A Expired GB407690A (en) 1931-06-20 1932-06-20 Improvements in the manufacture of yarn

Country Status (1)

Country Link
GB (1) GB407690A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104408B (en) * 1953-10-07 1961-04-06 George Frederick Raper Sliver compactor for drafting devices on spinning machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104408B (en) * 1953-10-07 1961-04-06 George Frederick Raper Sliver compactor for drafting devices on spinning machines

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